package main import ( "flag" "fmt" "strings" "github.com/charmbracelet/log" "github.com/peterbourgon/ff/v3" "github.com/peterbourgon/ff/v3/ffyaml" ) type cliArgs struct { RepoDir string SSH sshArgs HTTP httpArgs Meta metaArgs Profile profileArgs Log logArgs } type sshArgs struct { AuthorizedKeys string CloneURL string Port int HostKey string } type httpArgs struct { CloneURL string Port int } type metaArgs struct { Title string Description string } type profileArgs struct { Username string Email string Links []profileLink } type profileLink struct { Name string URL string } type logArgs struct { Level log.Level JSON bool } func parseArgs(args []string) (c cliArgs, e error) { fs := flag.NewFlagSet("ugitd", flag.ContinueOnError) fs.String("config", "ugit.yaml", "Path to config file") c = cliArgs{ RepoDir: ".ugit", SSH: sshArgs{ AuthorizedKeys: ".ssh/authorized_keys", CloneURL: "ssh://localhost:8448", Port: 8448, HostKey: ".ssh/ugit_ed25519", }, HTTP: httpArgs{ CloneURL: "http://localhost:8449", Port: 8449, }, Meta: metaArgs{ Title: "ugit", Description: "Minimal git server", }, Log: logArgs{ Level: log.InfoLevel, }, } fs.Func("log.level", "Logging level", func(s string) error { lvl, err := log.ParseLevel(s) if err != nil { return err } c.Log.Level = lvl return nil }) fs.BoolVar(&c.Log.JSON, "log.json", c.Log.JSON, "Print logs in JSON(L) format") fs.StringVar(&c.RepoDir, "repo-dir", c.RepoDir, "Path to directory containing repositories") fs.StringVar(&c.SSH.AuthorizedKeys, "ssh.authorized-keys", c.SSH.AuthorizedKeys, "Path to authorized_keys") fs.StringVar(&c.SSH.CloneURL, "ssh.clone-url", c.SSH.CloneURL, "SSH clone URL base") fs.IntVar(&c.SSH.Port, "ssh.port", c.SSH.Port, "SSH port") fs.StringVar(&c.SSH.HostKey, "ssh.host-key", c.SSH.HostKey, "SSH host key (created if it doesn't exist)") fs.StringVar(&c.HTTP.CloneURL, "http.clone-url", c.HTTP.CloneURL, "HTTP clone URL base") fs.IntVar(&c.HTTP.Port, "http.port", c.HTTP.Port, "HTTP port") fs.StringVar(&c.Meta.Title, "meta.title", c.Meta.Title, "App title") fs.StringVar(&c.Meta.Description, "meta.description", c.Meta.Description, "App description") fs.StringVar(&c.Profile.Username, "profile.username", c.Profile.Username, "Username for index page") fs.StringVar(&c.Profile.Email, "profile.email", c.Profile.Email, "Email for index page") fs.Func("profile.links", "Link(s) for index page", func(s string) error { parts := strings.SplitN(s, ",", 2) if len(parts) != 2 { return fmt.Errorf("invalid profile link %q", s) } c.Profile.Links = append(c.Profile.Links, profileLink{ Name: parts[0], URL: parts[1], }) return nil }) return c, ff.Parse(fs, args, ff.WithEnvVarPrefix("UGIT"), ff.WithConfigFileFlag("config"), ff.WithAllowMissingConfigFile(true), ff.WithConfigFileParser(ffyaml.Parser), ) }